TM
APX
7500 O5
Turning on the Radio
Press the Power On/Off Button briefly to power on the
radio.
After a short time, the red, yellow and green LEDs light
up. The display then shows Zone and channel text, and
menu items display on the screen.
The backlight will turn on to the last selected dim level.
Note: Pressing the Power On/Off Button before the
LED lights up will be ignored.
If FAIL ##/## appears in the display, the radio will not
function until the condition has been corrected.
If ERROR ##/## appears, some non-critical data has
been changed.
Preparing Your Radio for Use
Power On/Off Button
If CH MISMATCH appears, means that either the
Control Head has been connected to an incompatible
transceiver, or vice versa.
If your radio does not power up, contact your dealer.
To turn off the radio, press the Power On/Off Button
after the LEDs light up.
12
Emergency Button
Index